Question

------------- energy is the main driving force of the ecological system

• A. Solar
• B. Mechanical
• C. Hydro
• D. Electric

Answer 1

The correct option is A

Solar

Solar:

1. Solar energy is any type of energy that is produced by the sun.
2. Solar energy can be directly or indirectly harnessed for human use.
3. Solar energy is the main driving force of the ecological system

Mechanical:

Mechanical energy is the sum of kinetic energy (energy of motion) and potential energy (energy stored in a system due to the position of its parts).

Hydro:

Hydro-power, also known as hydroelectric power, is a renewable energy source that generates electricity by altering the natural flow of a river or other body of water using a dam or diversion structure.

Electric:

Electrical energy is the energy derived from the charged particles' electric potential energy or kinetic energy.

Hence, Option(A) is correct.